diff --git a/src/models/RoleLog.lua b/src/models/RoleLog.lua
index a778de5..ad9032d 100644
--- a/src/models/RoleLog.lua
+++ b/src/models/RoleLog.lua
@@ -664,7 +664,7 @@ function RoleLog.bind(Role)
 		for field, tag in pairs(schema) do
 			if not contents[field] then
 				if tag == "ucode" then
-					contents[field] = self:getActionUcode()
+					doc[field] = self:getActionUcode()
 				elseif tag == "auto" then
 				else
 					printError(string.format("LOG ERROR: logType [%s] lose field [%s].", logType, field))
--
libgit2 0.21.2